KR101180773B1 - 고속 스캔 미러를 위한 용량성 빗살 피드백 - Google Patents
고속 스캔 미러를 위한 용량성 빗살 피드백 Download PDFInfo
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- KR101180773B1 KR101180773B1 KR1020107023676A KR20107023676A KR101180773B1 KR 101180773 B1 KR101180773 B1 KR 101180773B1 KR 1020107023676 A KR1020107023676 A KR 1020107023676A KR 20107023676 A KR20107023676 A KR 20107023676A KR 101180773 B1 KR101180773 B1 KR 101180773B1
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- South Korea
- Prior art keywords
- frame
- vibrator
- teeth
- capacitance
- mirror
- Prior art date
Links
- 238000000034 method Methods 0.000 claims description 7
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 7
- 239000004020 conductor Substances 0.000 description 7
- 229910052710 silicon Inorganic materials 0.000 description 7
- 239000010703 silicon Substances 0.000 description 7
- 239000004065 semiconductor Substances 0.000 description 6
- 239000000758 substrate Substances 0.000 description 4
- 230000001360 synchronised effect Effects 0.000 description 4
- 230000002596 correlated effect Effects 0.000 description 2
- -1 for example Substances 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 230000000737 periodic effect Effects 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 239000004332 silver Substances 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
- G02B26/08—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
- G02B26/0816—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light by means of one or more reflecting elements
- G02B26/0833—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light by means of one or more reflecting elements the reflecting element being a micromechanical device, e.g. a MEMS mirror, DMD
- G02B26/0841—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light by means of one or more reflecting elements the reflecting element being a micromechanical device, e.g. a MEMS mirror, DMD the reflecting element being moved or deformed by electrostatic means
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
- G02B26/08—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
- G02B26/0816—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light by means of one or more reflecting elements
- G02B26/0833—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light by means of one or more reflecting elements the reflecting element being a micromechanical device, e.g. a MEMS mirror, DMD
- G02B26/0858—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light by means of one or more reflecting elements the reflecting element being a micromechanical device, e.g. a MEMS mirror, DMD the reflecting means being moved or deformed by piezoelectric means
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N1/00—Electrostatic generators or motors using a solid moving electrostatic charge carrier
- H02N1/002—Electrostatic motors
- H02N1/006—Electrostatic motors of the gap-closing type
- H02N1/008—Laterally driven motors, e.g. of the comb-drive type
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/04—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa
- H04N1/113—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa using oscillating or rotating mirrors
- H04N1/1135—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa using oscillating or rotating mirrors for the main-scan only
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mechanical Optical Scanning Systems (AREA)
Abstract
Description
도 1은 공지된 이미지 투영 시스템의 평면도.
도 2는 제1 예시적 실시예에 따른 미러의 측면도.
도 3은 제1 예시적 실시예에서 사용하기 위한 관성 드라이브의 투시 정면도.
도 4는 도 1의 시스템으로부터 제공된 스캔 라인들을 보여주는 이미지 투영도.
도 5는 예시적 실시예들의 스캔 미러의 시간 경과에 따른 각 위치를 보여주는 그래프.
도 6은 예시적 실시예에서 측정된 커패시턴스를 보여주는 그래프.
도 7은 제2 예시적 실시예에 따른 미러의 측면도.
도 8은 제3 예시적 실시예에 따른 미러의 측면도.
Claims (9)
- 이미지 투영 시스템으로서,
빔을 제공하는 레이저와;
프레임, 및
상기 프레임에 연속하여 배치되고 또한 상기 빔을 반사시킬 수 있는 반사부를 포함하는 제1 진동부
를 포함하는 스캔 미러와;
상기 프레임과 상기 제1 진동부 간의 커패시턴스를 측정하는 회로; 및
상기 레이저 및 상기 회로에 결합되고, 상기 빔의 펄싱(pulsing)을 상기 커패시턴스로부터 결정되는 상기 제1 진동부의 위치와 동기화하는 콘트롤러;
를 포함하는 이미지 투영 시스템. - 제1항에 있어서,
상기 프레임은 제1 복수의 티스(teeth)를 포함하고,
상기 제1 진동부는 상기 제1 복수의 티스와 인터디지테이트(interdigitate)된 제2 복수의 티스를 포함하고,
상기 제1 및 제2 복수의 티스들 간의 상대적 움직임이 커패시턴스 변화를 야기하는 이미지 투영 시스템. - 삭제
- 제1항에 있어서,
상기 프레임에 부착되어 이 프레임에 움직임을 부여하는 드라이브 장치를 더 포함하는 이미지 투영 시스템. - 제1항에 있어서,
상기 빔은 복수의 동일선상으로 인도되는 빔들을 포함하는 이미지 투영 시스템. - 제1항에 있어서,
상기 회로는 발진 회로를 포함하는 이미지 투영 시스템. - 제1항에 있어서,
상기 제1 진동부는 상기 프레임과 상기 제1 진동부 간에 배치된 제2 진동부를 포함하는 이미지 투영 시스템. - 이미지 투영 시스템으로서,
펄스 레이저 빔을 제공하는 광원과;
드라이브 장치,
상기 드라이브 장치에 응답하여 이동가능한 프레임, 및
상기 프레임에 연속하여 배치되어 상기 펄스 레이저 빔을 수신하고, 또한 이미지를 제공하도록 상기 프레임의 움직임에 응답하여 진동하는 제1 진동부
를 포함하는 미러와;
상기 프레임과 상기 제1 진동부 간의 커패시턴스를 결정하는 측정 회로; 및
상기 측정된 커패시턴스에 기초하여 상기 펄스 레이저 빔을 상기 미러의 위치와 동기화하는 제어 회로;
를 포함하는 이미지 투영 시스템. - 제8항에 있어서,
상기 프레임은 제1 복수의 티스를 포함하고,
상기 제1 진동부는 상기 제1 복수의 티스와 인터디지테이트된 제2 복수의 티스를 포함하고,
상기 제1 및 제2 복수의 티스들 간의 상대적 움직임이 커패시턴스 변화를 야기하는 이미지 투영 시스템.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/054,619 US7997742B2 (en) | 2008-03-25 | 2008-03-25 | Capacitive comb feedback for high speed scan mirror |
US12/054,619 | 2008-03-25 | ||
PCT/US2009/037260 WO2009120524A1 (en) | 2008-03-25 | 2009-03-16 | Capacitive comb feedback for high speed scan mirror |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20110002041A KR20110002041A (ko) | 2011-01-06 |
KR101180773B1 true KR101180773B1 (ko) | 2012-09-07 |
Family
ID=41114281
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020107023676A KR101180773B1 (ko) | 2008-03-25 | 2009-03-16 | 고속 스캔 미러를 위한 용량성 빗살 피드백 |
Country Status (5)
Country | Link |
---|---|
US (1) | US7997742B2 (ko) |
EP (1) | EP2257849B1 (ko) |
KR (1) | KR101180773B1 (ko) |
CN (1) | CN101981487A (ko) |
WO (1) | WO2009120524A1 (ko) |
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CN107910741A (zh) * | 2017-12-27 | 2018-04-13 | 苏州伽蓝致远电子科技股份有限公司 | 抗杂光串扰的多路激光器 |
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CN110333598B (zh) * | 2019-04-29 | 2021-04-23 | 西安知微传感技术有限公司 | 获取电容反馈式微扭转镜电容反馈信号的方法及电路 |
CN110703430A (zh) * | 2019-11-28 | 2020-01-17 | 无锡微视传感科技有限公司 | 二维静电扫描微镜 |
CN111257856B (zh) * | 2020-02-21 | 2022-05-27 | 奥比中光科技集团股份有限公司 | 一种扫描镜监测系统及方法 |
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- 2009-03-16 KR KR1020107023676A patent/KR101180773B1/ko active IP Right Grant
- 2009-03-16 CN CN2009801104293A patent/CN101981487A/zh active Pending
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Also Published As
Publication number | Publication date |
---|---|
EP2257849A4 (en) | 2011-10-19 |
KR20110002041A (ko) | 2011-01-06 |
US7997742B2 (en) | 2011-08-16 |
EP2257849A1 (en) | 2010-12-08 |
WO2009120524A1 (en) | 2009-10-01 |
EP2257849B1 (en) | 2017-11-15 |
CN101981487A (zh) | 2011-02-23 |
US20090245299A1 (en) | 2009-10-01 |
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